已解决

Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

11 years 前

已解决

Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

11 years 前

已解决

Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

11 years 前

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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

11 years 前

已解决

Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

11 years 前

问题

Reverse Calculator
Use this reverse calculator and give correct output Its simple, In my Reverse calculator if you press 0 it will be considered...

11 years 前 | 2 | 193 个解题者

已解决

Reverse Calculator
Use this reverse calculator and give correct output Its simple, In my Reverse calculator if you press 0 it will be considered...

11 years 前

问题

Finger Counting
Just counting numbers using fingers. First all my ten fingers are closed. I will say 1 and open my one finger. Likewise for 6...

11 years 前 | 3 | 38 个解题者

已解决

Finger Counting
Just counting numbers using fingers. First all my ten fingers are closed. I will say 1 and open my one finger. Likewise for 6...

11 years 前

已解决

Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

11 years 前

已解决

Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

11 years 前

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

11 years 前

已解决

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

11 years 前

已解决

give nth decimal place of pi
max 15th place after the decimal point is ok for now

11 years 前

已解决

pressure to dB?
given x ratio of pressure, find corresponding y dB

11 years 前

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Number of 1s in the Binary Representation of a Number
*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...

11 years 前

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Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

11 years 前

已解决

Multielement indexing of a row array
The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

11 years 前

已解决

Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

11 years 前

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Find max
Find the maximum value of a given vector or matrix.

11 years 前

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

11 years 前

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Find relatively common elements in matrix rows
You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

11 years 前

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Back to basics 14 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

11 years 前

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

11 years 前

已解决

Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

11 years 前

已解决

Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

11 years 前

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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

11 years 前

已解决

Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

11 years 前

已解决

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

11 years 前

已解决

Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

11 years 前